I already have a working, but in my oppinion not beautiful solution for a part of a long script. My script uses several similar methods, that differ too much to combine. However I came to a point where I want to call one of those methods depending on a given variable. The names of the methods are build up lik…
Category: Questions
Grouping by multiple columns to find duplicate rows pandas
I have a df I want to group by val1 and val2 and get similar dataframe only with rows which has multiple occurance of same val1 and val2 combination. Final df: Answer You need duplicated with parameter subset for specify columns for check with keep=False for all duplicates for mask and filter by boolean index…
Python ValueError: float: Argument: . is not number on line 12
Ok, so I’m new to python and I’m currently taking the python for everybody course (py4e). Our lesson 7.2 assignment is to do the following: 7.2 Write a program that prompts for a file name, then opens that file and reads through the file, looking for lines of the form: Count these lines and extrac…
Finding author of a message
If someone writes “?name (arg)” I want my bot to say the author of the message + “, your name is” + arg. I can’t find of the author of the message though. Answer To get the name of the author of the message, you will need to use context
collect_list by preserving order based on another variable
I am trying to create a new column of lists in Pyspark using a groupby aggregation on existing set of columns. An example input data frame is provided below: The expected output is: The values within a list are sorted by the date. I tried using collect_list as follows: But collect_list doesn’t guarantee…
Tensorflow import error: No module named ‘tensorflow’
I installed TensorFlow on my Windows Python 3.5 Anaconda environment The validation was successful (with a warning) Python 3.5.3 |Intel Corporation| (default, Apr 27 2017, 17:03:30) [MSC v.1900 64 bit (AMD64)] on win32 Type “help”, “copyright”, “credits” or “license&#…
SSL: CERTIFICATE_VERIFY_FAILED certificate verify failed
-> SSLError: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed (_ssl.c:748) I run this script but I got this error. How can I do it? Answer Since your URL is “an internal corporate URL” (as stated in comments), I’m guessing it uses a self-signed certificate, or is issued by a sel…
Python : upload my own files into my drive using Pydrive library
I want to upload my file into my drive. However in Pydrive Documentation I found only upload() function that uploads a file created by drive.CreateFile() function and update it, and not the file in my hard drive (my own file). I’ve tried the ansewers of my question here in stackoverflow, but an error ac…
How to read .csv with a compound header into a xarray DataArray (using pandas)
Given a dataset with the following structure: Given as a .csv: Note: some values are missing, not all variables are available for all locations, timestamps are available for every record, columns may appear out of order, but timestamp is reliably the first column. I’m not sure all these aspects are rele…
tensorflow – how to add an if statement?
This is a simplified version of what I am trying to do: Yet when trying to run this I get: How to fix this? EDIT: results in a: : Tensor(“cond/Merge:0”, shape=(?, 128), dtype=float32) Answer tensorflow objects can’t be used with regular python objects and functions. That’s how tensorfl…